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Search: Posts Made By: eabras
Forum: performance & modifications 06-05-2020, 06:09 AM
Replies: 16
Views: 2,348
Posted By eabras
stock m-rod 7.5:1 b21et/ft, stock 398 head and...

stock m-rod 7.5:1 b21et/ft, stock 398 head and valves, stiffer springs, v-cam, k-jet intake, 90+ exhaust, hy35 @ ~30psi, full 3" exhaust, generic ebaycooler, 160F thermostat and vems. Just as...
Forum: performance & modifications 06-04-2020, 06:16 AM
Replies: 16
Views: 2,348
Posted By eabras
deka 630cc with a 55psi fpr was just enough to...

deka 630cc with a 55psi fpr was just enough to get past 350whp/345wtq on a b21.

edit: on 98 RON
Forum: performance & modifications 02-18-2020, 08:17 AM
Replies: 31
Views: 5,427
Posted By eabras
At a given rpm your engine consumes x amounts of...

At a given rpm your engine consumes x amounts of air, and needs y amount of fuel. If your fuelpump can't keep up then the pressure over the injectors is lower than expected, resulting in the...
Forum: performance & modifications 02-17-2020, 11:27 AM
Replies: 31
Views: 5,427
Posted By eabras
1700cc/min x4 is 408lph. A dw350il can't do more...

1700cc/min x4 is 408lph. A dw350il can't do more than ~250lph@70 psi.

*edit: according to dw's own spec sheet, the number is 305lph@70psi
...
Forum: performance & modifications 02-16-2020, 04:31 PM
Replies: 31
Views: 5,427
Posted By eabras
Did you use the same injectors and fuel pumps on...

Did you use the same injectors and fuel pumps on the old setup? I would check if your pumps actually supply enough fuel at those pressure levels (base fuel pressure + boost pressure).

1700cc @...
Forum: performance & modifications 10-30-2019, 01:11 PM
Replies: 30
Views: 7,988
Posted By eabras
Nevermind spray pattern or what "lh is...

Nevermind spray pattern or what "lh is expecting". Remember that your fuel pump is working against both the base fuel pressure AND the boost pressure in a boost referenced fuel system.

An...
Forum: performance & modifications 04-29-2019, 02:13 PM
Replies: 30
Views: 3,364
Posted By eabras
A good triple pass radiator and a 160°-180°...

A good triple pass radiator and a 160°-180° thermostat would be my choice
Forum: performance & modifications 04-29-2019, 11:21 AM
Replies: 30
Views: 3,364
Posted By eabras
It's not the thermostats job to cool the engine....

It's not the thermostats job to cool the engine. It only helps to get temps up to operating temerature under light loads. Under prolonged high load the thermostat is usually wide open anyway, and the...
Forum: performance & modifications 02-24-2019, 05:36 PM
Replies: 3
Views: 1,540
Posted By eabras
Is your wastegate actuator properly adjusted? Are...

Is your wastegate actuator properly adjusted? Are the hoses connected the right way?

I've never messed around with the adjustable actuators on mitsus, but have run several lh2.4 13c cars at...
Forum: aftermarket engine management 01-08-2019, 02:35 AM
Replies: 34
Views: 8,819
Posted By eabras
No cruise control on this car. The reason yours...

No cruise control on this car. The reason yours look very conservative is probably down to things like compression ratio.
Forum: aftermarket engine management 01-07-2019, 07:01 PM
Replies: 34
Views: 8,819
Posted By eabras
Didn't really put any time into it, but it did...

Didn't really put any time into it, but it did the job.

https://i.imgur.com/OQd4ltg.jpg?1

Edit: stock b21et 7.5:1 bottom end, stock 530 (stiffer springs only), v-cam straight up, b21e intake,...
Forum: performance & modifications 12-29-2018, 05:34 AM
Replies: 16
Views: 3,123
Posted By eabras
Yup, 850calipers and 302/305mm disks(they both...

Yup, 850calipers and 302/305mm disks(they both fit) is the way to go. Everything you need:

http://i.imgur.com/j6NsjmG.jpg
Forum: performance & modifications 12-12-2018, 03:36 AM
Replies: 56
Views: 16,025
Posted By eabras
Old truetrac without preload?

Old truetrac without preload?
Forum: performance & modifications 11-07-2018, 08:46 AM
Replies: 2
Views: 1,688
Posted By eabras
Dual masa flywheel won't fit in the m47...

Dual masa flywheel won't fit in the m47 bellhousing. Use a dogdish and b230et disc and PP from sachs
Forum: performance & modifications 11-01-2018, 05:24 AM
Replies: 59
Views: 8,779
Posted By eabras
I would argue that a capable standalone is far...

I would argue that a capable standalone is far more important than messing with pistons, rodbolts, and all the stuff that seem to be of the utmost importance on this forum...
Forum: performance & modifications 10-19-2018, 02:48 PM
Replies: 23
Views: 4,080
Posted By eabras
340lhp at what pressure? 3 bar (43.5psi) + 25 psi...

340lhp at what pressure? 3 bar (43.5psi) + 25 psi is 68.5 psi, and I bet the pump capacity is much lower than 340lph.

Edit: yep, hadn't refreshed the page in a while, it's already mentioned.
Forum: performance & modifications 09-27-2018, 11:04 AM
Replies: 22
Views: 3,792
Posted By eabras
My bad, I have the 9cm^2 housing used on...

My bad, I have the 9cm^2 housing used on automatic dodges.

https://i.imgur.com/NrqVnfb.jpg
Forum: performance & modifications 09-27-2018, 10:30 AM
Replies: 22
Views: 3,792
Posted By eabras
The easy way of dealing with the wg port is just...

The easy way of dealing with the wg port is just to put the turbine housing in a drill press, and drill through it. I used a 30mm (or 32mm, don't remember) drill bit, and the head of a stock 35mm...
Forum: performance & modifications 09-21-2018, 09:47 PM
Replies: 35
Views: 7,300
Posted By eabras
That's the beauty of "stone age" low compression ...

That's the beauty of "stone age" low compression

Much timing = much power
Low compression = much timing



It's just a b21et longblock (similar to you're b21ft) with a v cam, k-jet intake and...
Forum: performance & modifications 09-21-2018, 12:02 PM
Replies: 35
Views: 7,300
Posted By eabras
stock b21et longblock (7.5:1) with a v-cam 90+,...

stock b21et longblock (7.5:1) with a v-cam 90+, na k-jet intake. The rest is bolt-ons and tuning. 98ron, 30psi and 19degrees timing at torque peak. Suprised people in here don't do more with the low...
Forum: performance & modifications 09-21-2018, 09:46 AM
Replies: 35
Views: 7,300
Posted By eabras
nah, ~30psi is enough :rofl:

nah, ~30psi is enough :rofl:
Forum: performance & modifications 08-12-2018, 09:54 AM
Replies: 27
Views: 5,018
Posted By eabras
I don't know the wheel sizes in your turbo, but...

I don't know the wheel sizes in your turbo, but apart from the compression ratio I don't see all that much difference from my previous setup (7.5:1 b21) which made 352whp and 344ft.lbs. at 30ish psi....
Forum: performance & modifications 08-11-2018, 12:27 PM
Replies: 27
Views: 5,018
Posted By eabras
Why the low advance at full boost?

Why the low advance at full boost?
Forum: performance & modifications 07-26-2018, 02:02 PM
Replies: 5
Views: 1,838
Posted By eabras
Varför inte? Stock pistons seem to work well with...

Varför inte? Stock pistons seem to work well with pretty high boost levels... Better to spend that extra cash on more important stuff (cam, headwork, turbo, management und zu weiter)
Forum: performance & modifications 07-21-2018, 11:18 AM
Replies: 7
Views: 2,404
Posted By eabras
Using a spacer will probably result in the...

Using a spacer will probably result in the compressor hitting the strut tower
Forum: performance & modifications 07-21-2018, 04:32 AM
Replies: 7
Views: 2,404
Posted By eabras
It will fit just fine

It will fit just fine
Forum: performance & modifications 07-08-2018, 08:44 PM
Replies: 15
Views: 2,762
Posted By eabras
Not a hx35, but hy35 and the datalogs show...

Not a hx35, but hy35 and the datalogs show positive pressure from about 2700rpm in first gear on my old b21. But at that rpm we are only talking 1-2psi... If I rev it in neutral it would almost hit...
Forum: performance & modifications 06-27-2018, 05:14 AM
Replies: 16
Views: 3,696
Posted By eabras
I would perhaps try 2-2,5mm opening @ tdc. Don't...

I would perhaps try 2-2,5mm opening @ tdc. Don't trust the stock timing marks.
Forum: performance & modifications 06-25-2018, 11:43 PM
Replies: 33
Views: 8,839
Posted By eabras
Move the amm to the cold side of the ic. Problem...

Move the amm to the cold side of the ic. Problem solved.
Forum: performance & modifications 06-08-2018, 12:05 PM
Replies: 59
Views: 12,654
Posted By eabras
It might be easier and cheaper for the average...

It might be easier and cheaper for the average turbobricker to get god results with compression ratios in the lower spectrum. A stock ancient 7.5:1 b21 longblock can easily give you 350whp with...
Forum: performance & modifications 06-05-2018, 11:40 AM
Replies: 11
Views: 3,079
Posted By eabras
What about an extra efi injector with a pressure...

What about an extra efi injector with a pressure switch to supply extra fuel when in boost? Weld it in the intake or something. Then you can leave the stock k-jet stuff alone.
Forum: performance & modifications 05-20-2018, 03:39 AM
Replies: 59
Views: 12,654
Posted By eabras
Been a long time since I've messed with a stock...

Been a long time since I've messed with a stock b230ft/fk, but that ignition map is perhaps a bit hot compared to similar setups?
Forum: performance & modifications 05-18-2018, 06:45 PM
Replies: 59
Views: 12,654
Posted By eabras
Detonation trashed the cast piston by breaking...

Detonation trashed the cast piston by breaking the ringlands
Forum: performance & modifications 05-17-2018, 11:07 AM
Replies: 17
Views: 5,082
Posted By eabras
Up front the 850 calipers fit with longer bolts...

Up front the 850 calipers fit with longer bolts and a small spacer. Easy way to get bigger 305mm brakes
Forum: performance & modifications 05-09-2018, 06:33 PM
Replies: 18
Views: 3,742
Posted By eabras
My hy35cw 9cm^2 seems to flow "good enough". With...

My hy35cw 9cm^2 seems to flow "good enough". With the 90+, stock valves and v-cam the pressure in the exhaust manifold was lower than the inlet all the way up to ~6000rpm. This was with 30-32psi on...
Forum: performance & modifications 05-07-2018, 11:39 AM
Replies: 23
Views: 3,311
Posted By eabras
As far as I know it was only available on...

As far as I know it was only available on cars/engines with motronic (b230et).
Forum: performance & modifications 05-06-2018, 05:50 AM
Replies: 23
Views: 3,311
Posted By eabras
ETC (electronic traction control) was an option...

ETC (electronic traction control) was an option on 7-series. Better tires, a limited slip diff or just better driving would be cheaper and easier to implement... I've used my right foot as traction...
Forum: performance & modifications 04-27-2018, 05:25 PM
Replies: 4
Views: 1,339
Posted By eabras
Lh2.4 runs pretty lean before it builds boost.

Lh2.4 runs pretty lean before it builds boost.
Forum: performance & modifications 04-20-2018, 05:21 AM
Replies: 22
Views: 3,806
Posted By eabras
My b21et/ft felt stronger than a b230f, even out...

My b21et/ft felt stronger than a b230f, even out of boost. It loves timing and boost tho.
Forum: performance & modifications 04-19-2018, 03:44 PM
Replies: 22
Views: 3,806
Posted By eabras
The 7.5:1 b21ft loves boost and have stronger...

The 7.5:1 b21ft loves boost and have stronger rods than any b230. No real issues running lh2.4 on it either.
Forum: performance & modifications 04-15-2018, 05:53 PM
Replies: 28
Views: 4,721
Posted By eabras
Would be interesting to see a budget twin turbo...

Would be interesting to see a budget twin turbo five cylinder.. Perhaps some sort of compound charging?
Forum: performance & modifications 04-09-2018, 12:33 PM
Replies: 6
Views: 1,065
Posted By eabras
It's been done numerous times the other way...

It's been done numerous times the other way around. Keeping the intank pump and removing the one under the car.
Forum: performance & modifications 04-02-2018, 03:00 PM
Replies: 10
Views: 1,725
Posted By eabras
No adapter, the outer bit of the bellhousing was...

No adapter, the outer bit of the bellhousing was cut off and a volvo m4x bellhousing welded on.
Forum: performance & modifications 04-02-2018, 11:45 AM
Replies: 10
Views: 1,725
Posted By eabras
I'm using a flat b21 flywheel, sachs hd 618 pp...

I'm using a flat b21 flywheel, sachs hd 618 pp and a 6puck disk with my s5d-260z (5 speed zf out of an e36 325tds, same as 328/m3 but with even more stupid ratios). The neat thing is that the m90...
Forum: performance & modifications 03-23-2018, 01:41 AM
Replies: 10
Views: 1,605
Posted By eabras
The Power of 2.5- vs. 3-Inch Exhaust - Engine...

The Power of 2.5- vs. 3-Inch Exhaust - Engine Masters Ep. 9 (https://www.youtube.com/watch?v=_PVXvHkr-Vs)
Forum: performance & modifications 03-20-2018, 09:37 AM
Replies: 60
Views: 8,120
Posted By eabras
Rods usually bend (and snap) before the piston...

Rods usually bend (and snap) before the piston gives up.

13mm rod gone wrong:
https://i.imgur.com/Wa1Ejxs.jpg

Bent m-rods (and one that snapped):

https://i.imgur.com/BCgtLxS.jpg?2
...
Forum: performance & modifications 03-17-2018, 04:40 PM
Replies: 33
Views: 8,592
Posted By eabras
What size injectors, what base fuel pressure, how...

What size injectors, what base fuel pressure, how much boost, and how much power are you aming at?

The k-jet -909 and -957 pumps are close to 180lph up to about 7.5bar (108psi) total pressure....
Forum: performance & modifications 03-11-2018, 08:27 AM
Replies: 80
Views: 9,186
Posted By eabras
184whp at 5 psi (0.345bar) isn't bad. "Adding...

184whp at 5 psi (0.345bar) isn't bad. "Adding backwards" to na, it would be about 184/1.345=137whp and 263/1.345=195ft lbs.
Forum: performance & modifications 02-22-2018, 12:51 AM
Replies: 30
Views: 8,221
Posted By eabras
If google translate was used to read said forum...

If google translate was used to read said forum post, I'm guessing "stakes" = "stakar" = connecting rods



Just slapping a 16v head on a b230k engine would be a pretty bad idea. The 631 head...
Forum: performance & modifications 02-18-2018, 03:46 PM
Replies: 6
Views: 1,726
Posted By eabras
Remember to use fuel injection hose, not regular...

Remember to use fuel injection hose, not regular low pressure stuff. Upgrading the wiring to the pump is also a good idea.

*edit: Sorry, didn't see that you already had the right type of hose :)
Showing results 1 to 50 of 231

 
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